District of Columbia truck and bus safety demonstration project. Final report.

National Highway Traffic Safety Administration, Office of State Vehicle Programs, Washington, D.C.

Mathematical recreations and problems of past and present times.

Some arithmetical questions.--Some geometrical questions.--Some mechanical questions.--Some miscellaneous questions.--Magic squares.--Unicursal problems.--Three geometrical problems.--Astrology.--Hyper-space.--Time and its measurement.--The constitution of matter.

Regulatory signs for lane occupancy and parking. Final report.

Mode of access: Internet.

Nimbus-7 : observing the atmosphere and oceans /

Mode of access: Internet.

The environment of Titan (1975).

At head of title: NASA space vehicle design criteria (environment).

Design of underground installations in rock.

At head of title: Engineering and design.

Drilled and grouted micropiles : state-of-practice review /

Cover title.

1977 NASA authorization [microform] : index for hearings before the Committee on Science and Technology, House of Representatives, Ninety-fourth Congress, second session, on H.R. 11573 (superseded by H.R. 12453) ...

Reuse of record except for individual research requires license from Congressional Information Service, Inc.